Dr. Ron Martinelli, is a nationally renowned forensic criminologist and a federal/state courts qualified law enforcement and premises liability expert who is also a Certified Medical Investigator (physician's level) accredited by the MO State Medical Association. Dr. Martinelli directs the nation's only Forensic Death Investigations & Independent Review Team and specializes in officer-involved death cases, civilian self-defense shooting cases and premises liability/security cases.

Dr. Martinelli is a forensic/law enforcement expert to the U.S. Department of Justice, several State Attorney Generals' Offices, numerous major municipalities and nationally prominent private law firms specializing in wrongful death, civil rights and premises liability.

Dr. Martinelli is the prevailing expert in over 90% of his retained cases. He has saved defendants over $200M and earned plaintiffs over $60 million in jury verdicts and settlements since 2004. He is the media's go-to forensic expert for FOX News, One America News Network, CNN, HLN, Sky News, BBC, NPR, and the History & Discovery Channels. Dr. Martinelli is skilled in crime scene reconstruction, forensics, applied sciences and psycho-medical emergencies. His unique and extensive field experience, combined his academic and scientific credentials, excellent written reports and persuasive testimony, make him a very appealing expert to attorneys and juries alike.

Officers throughout the United States and perhaps internationally have heard use of force instructors discuss the "21 Foot Rule" during their officer safety, firearms and deadly force training. As both a use of force instructor and practicing forensic police practices expert, I have also trained and testified to this concept myself.

On a hot July day, fire and police are called to the home of a 55 year old man suffering from heat stroke. Police arrive first and find the man sitting on a bench in his front yard. When the officers approach the man and ask him to give them his cane, he becomes agitated and non-compliant. One officer suddenly grabs the cane away from the man, who screams and suddenly stands up. The man is tased, taken to the ground, beaten and handcuffed. He is transported to the hospital where ER physicians confirm a diagnosis of heat stroke. The man has no criminal history. He sustains numerous moderate injuries which keep him from returning to work for several weeks. The officers and agency are sued and settle out of court.

An officer detains an active parolee gang member for questioning, and during the detention, the suspect suddenly runs. The officer chases the suspect for two blocks, observes the suspect to be grabbing into his shorts pocket.

On November 5, 2010, Superior Court Judge Hon. Robert Perry sentenced former BART Police Officer Johannes Mehserle to two years in state prison for the January 1,2009, accidental shooting death of 22-year-old Oscar Grant at the Fruitdale BART station.

San Francisco Police officers respond to a call of an agitated mentally disturbed and disabled man in a wheelchair wielding a knife and vandalizing parked cars on a downtown city street. A group of at least six uniformed and plain clothes officers locate and surround the man who remains seated in his wheelchair. The officers' initial attempts to communicate with the angry, apparently delusional and armed man prove ineffective.

A facts-based introduction to the controversial and militant Black Lives Matter political organization and movement written by a nationally renowned forensic criminologist who has been involved in many of the nation's most publicized police-involved death cases. Learn about the movement's founders, ideology, funding sources, surrogates, radical goals and objectives to disenfranchise law enforcement and usurp the rule of democratic law. Several infamous police death cases forensically explained and numerous false narratives of the movement are factually destroyed with explanations of the actual circumstances. This is a powerful, vetted "go to" reference source for researchers, the media, law enforcement and those interested in this radical movement.